tr.v., -plussed, also -plused, -plus·sing, -plus·ing, -plus·ses, -plus·es.
To put at a loss as to what to think, say, or do; bewilder.
n.
A state of perplexity, confusion, or bewilderment.
[From Latin nōn plūs, no more : nōn, not; see non- + plūs, more.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
